Catalogues - sdp1108-differential-pressure-sensor

Catalogue SDP1108 Differential Pressure Sensor

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5EN5IRION

THE SENSOR COMPANY

2 Detailed Specifications 2.1 Unidirectional

Table 1: SDP1108-Land SDP1108-R Sensorspecifications<¹)


Parameter		SDP1108-L			SDP1108-R			Unit
Parameter		Min	Typ	Max	Min	Typ	Max	Unit
Measurement range		0.25	-	4	0.25	-	4	Volts
		0	-	500	0	-	500	Pa
		0	-	2	0	-	2	Inch water
Null offset variance!²)		-0.007	-	+0.007	-0.020	-	+0.020	Volts
		-0.9	-	+0.9	-0.01	-	+0.01	Pa
		-0.004	-	+0.004	-0.0001	-	+0.0001	Inch water
Accuracy*³)	100 to 500 Pa	-	1.0	1.5	-	1.0	1.5	% Measured Value<⁴⁾
Accuracy*³)	0 to100 Pa	-	0.2	0.3	-	0.2	0.3	% Full Span⁽⁵⁾
Repeatability	100 to 500 Pa	-	0.3	0.5	-	0.3	0.5	% Measured Value
Repeatability	0 to100 Pa	-	0.05	0.2	-	0.05	0.2	% Full Span⁽⁵⁾
Null drift per year⁽⁷⁾		-	0	0.1	-	0	0.1	Pa /year
Null shift due to temperature variation^ [5 to 50°C]		-0.010	-	+0.010	-0.030	-	+0.030	Volts
		-1.3	-	+1.3	-0.03	-	0.03	Pa
		-0.005	-	+0.005	-0.0001	-	+0.0001	Inch water
Span shift due to temperature variation*⁸) [5 to 50°C]		-	1.0	2.0	-	1.0	2.0	% Measured Value
Resolution	350 to 500 Pa	0.08	0.1	0.2	0.08	0.1	0.2	Pa
	150 to 350 Pa	0.2	0.5	1.5	0.2	0.5	1.5	Pa
	0to150 Pa	1.5	2.2	3	1.5	2.2	3	Pa
Response time⁽⁹⁾		6.6	8.0	10.1	6.6	8.0	10.1	ms
Cut offfrequency of internal filter		17	20	24	17	20	24	Hz

<¹⁾ Calibration conditions apply unless otherwise noted: 23°C and pabsolute = 966 mbar, dry air, Vdd = 5.000 V

⁽²⁾ Variance between the offsets ofdifferentsensors measured underthe same conditions (e.g. same supply voltage, temperature,...)

⁽³⁾ Include deviations due to linearity, hysteresis, and repeatability

⁽⁴⁾ % measured value = (SDP1108 output [Pa] - outputof reference instrument [Pa])/outputof reference instrument [Pa].

⁽⁵⁾ Full span = 3750mV or 500 Pa

⁽⁷⁾ Drift overtime due to aging, pressure cycles... Test results can be provided.

⁽⁸⁾ The offset shift and the span shift due to temperature variation are temporary. Once the sensor is back to the calibration temperature, the shift disappears (no hysteresis).

⁽⁹⁾Tau= 0 to 63%, filter response time = 8ms. Forfaster response time, contact info@sensirion.com

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SDP1108 - preliminary data sheet v0.95 February 2007

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